Subsoiler



No. 620,925. 7 Patented Mar. l4, I899. F. SCHELL.

SUBSOILER.

(Application filed. Dec. 26, 1898.)

(No Model.)

UNITED STATES PATENT OFFICE.

FREDERIO SOHELL, OF WEST OHILLISQUAQUE, PENNSYLVANIA.

sussoluzR.

SPECIFICATION forming part of Letters Patent N0. 620,975, dated March 14, 1899.

Application filed December 28, 1898- Serlal No. 700,527. (No model.)

To ctZZ whom it may concern:

Be it known that I, FREDERIC SoHnLL, a citizen of the United States of America, and a resident of West Chillisquaque, county of Northumberland, State of Pennsylvania,have invented certain new and useful Improvements in Subsoilers, of which the following is a specification. A

This invention relates to improvements in subsoilers, and especially to an adjustable frame to be attached to an ordinary plowbeam and carrying a shear, which by means of a suitable lever may be raised or lowered, so as to cut the soil the desired depth, as the shear follows in the furrow of the plow, and when not in use being adapted to be elevated, so that its cutting edge will be above thelower edge of the landside of the plow.

Other features of the present invention reside in the peculiar construction of the shear and its manner of attachment to the shank, which is operated by the adj usting-lever, the arrangement of the various parts forming the frame of the subsoiler, and the novel means for bracing the lower portion of the casing carrying the shear.

The invention is clearly illustrated in the accompanying drawings, which, with the letters of reference marked thereon, form a part of this application, and in which drawings similar letters of reference indicate like parts throughout the several views, in which- Figure 1 is'a side elevation of my improved subsoiler shown as attached to a plow-beam. Fig. 2 is a cross-sectional view through the plow-beam and portions of the subsoiler,taken on line 2 2 of Fig. 1. Fig. 3 is a perspective View of a portion of the frame of the subsoiler, showing the brace as detached from its lower end. Fig. 4 is a detail showing shape of the shoe or shear with slot in edge. Fig. 5 is a sectional view through a reversely-arranged shear.

Reference now being bad to the details of the drawings by letter, A designates a plowbeam of ordinary construction.

13 is the casing of the subsoiler-frame,\vhich has secured thereto, or, if preferred, may be made integral therewith, the bracket-shelf O, which has two elongated slots C therein in alinement with each other, and through said slots bolts D are designed to be passed,which noted that the frame may be laterally adjusted on the beam. The lower portion of the casing B is hollow, as seen at B, to receive the post F, which is longitudinally movable therein. Pivoted to the upper angled portion B of the casing is the lever G,which has pivoted thereto the pawl-releasing lever H, which latter is connected with the springactuated pawl I by means of a rod H. Mounted in a recessed corner K of the casing is the lower end of the segmen t-plate L,which is bolted or otherwise fastened to the casing, so that its outer face will be flush with the outer face of the casing. This segment-plate has its upper end curved and provided with a series of ratchet-teeth L, with which the pawl I engages to hold the lever at different angles.

Projecting from the lever G is an arm G, having a number of perforations g, in which the ad justing-bolt m is adapted to be held.

n is a link pivoted at its lower end to the post F, its upper end pivoted to the bolt m.

At the lower end of the post F is a shoe N, or, if preferred, this shoe may be made integral with the post, and on this shoe is secured the shear J, which shear has its cutting edge tapered, as shown. The edge of said shear is recessed, as at J, slightly diagonal to the length of the shear, and the under face is recessed, as shown at J the latter recess being made to receive the shoe N, while the recess in the edge is provided to receive the lower end of said post. A bolt Q is passed through the shear and shoe and retained in place by a nut for the purpose of holding the shear and shoe securely together, in which position the cutting edge of the shear will be slightly downwardly inclined.

Fastened to the plow-beam at any suitable location is a hook R, held to the beam by means of a bolt S, said hook being bent down over the edge of the beam, and over this hook the apertured end of the brace T engages. The lower end of said brace is forked, the arms of which pass on either side of the lower end of the casin g B and carry a bolt V. This bolt V when the brace is adjusted to the casing engages in a groove W and is prevented from drawing out of the groove by the lug X, seated in the casing directly above said groove.

From the foregoing,when taken in connection with the drawings, it will be observed that my improved subsoiler can be easily and quickly attached to any ordinary plow, so that the shear will follow in the furrow of the plow and can be raised or lowered while the plow is in motion, and when not in use the shear may be elevated, so that it will clear all obstacles.

It will be understood that my subsoiler may be applied equally as well to a left-handed as to a righ t-handed plow by the employment of reversely-arranged shears, as shown in Figs. 2 and 5 of the drawings,which views show sections through shears adapted for right and left handed plows, it being understood that for either adjustment the subsoiler-carrying frame is hold on the same side of the plow beam.

If it is desired to throw the furrow the same way with a right-handed plow as in a lefthanded, a shear and shank suitable to a righthanded plow are required. However, the shear shown in Figs. 2 and 4 would answer for both kinds of plows; but in a right-handed plow the shear would out toward the land side and closer to the moldboard. It will be understood that in Fig. 5 a shear oppositely beveled to that shown in Fig. 4 may be used.

Having thus described my invention, what I claim to be new, and desire to secure by Let ters Patent, is-

1. A detachable subsoiler for plows, comprising a shear held to the desired Vertical adjustment by means, substantially as shown,

and laterally adjustable by a slotted bracket and a clamping-plate engaging with the plowbeam, and means for raising and lowering the shear, as set forth.

2. A detachable subsoiler for plows, comprising a frame, means, substantially as shown, for laterally adjusting and clamping said frame to the plow-beam, a shear, the shear-post, an adjustable link, and the operating-lever pivoted to the frame, as set forth.

3. A subsoiler forattachment to plows,comprising the casing, a slotted bracket-shelf thereon, an adjustable clamping-plate to engage with the top of the plow-beam, the post, the shear at its lower end, the operating-lever with spring-actuated pawl, the segment-plate having teeth with which said pawl engages, an apertured arm or extension on said lever, and an adjustable link between said arm and the shear-carryin g post,co1nbined as set forth.

4. In a subsoiler, the post, lever and easing combined with a shoe secured at the lower end of the post, and a shear recessed on its edge diagonally and on its underface, to receive said shoe and post, and means for holding said shoe and shear together, as set forth.

5. In combination with the casing of a subsoiler, as described, a hook secured to the plow-beam, a brace engaging with said hook at one end, its other end forked and carrying a bolt which is designed to be seated in a groove in the casing, and a lug adjacent to and bearing against said bolt, as shown and for the purpose set forth.

Signed by me, at Milton, Pennsylvania, this 13th day of December, 1898.

FREDERIC SCIIELL.

Witnesses:

E. H. BARNWELL, J. F. KERSTETER. 

